Hello SymPy users,
Is there a way to make SymPy cancel common expression? For example:
from sympy import *var("a b")b = 1/(sqrt(a) - 1)**(S(8)/3)b.diff(a) / (2 *
sqrt(2) * b**(S(3)/4)) # gives: -sqrt(2)/(3*sqrt(a)*(sqrt(a) -
1)**(11/3)*((sqrt(a) - 1)**(-8/3))**(3/4))
I want SymPy to cancel sqrt(a) - 1. Can it be done?
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